CVE-2019-18902

wicked: Use-after-free when receiving invalid DHCP6 client options

CRITICAL

9.8

CVSS Score

Published: March 2, 2020 at 04:45 PM UTC

Updated: June 17, 2026 at 02:25 AM UTC

3 products affected across 2 vendorsLeapLinux Enterprise ServerFactory

Using SUSE Linux Enterprise Server 12 by SUSE?

Get instant alerts when new vulnerabilities affect SUSE Linux Enterprise Server 12 - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

CRITICAL9.8

Exploit prediction

EPSS 2%

Description

A Use After Free vulnerability in wicked of SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 15; openSUSE Leap 15.1, Factory allows remote attackers to cause DoS or potentially code execution. This issue affects: SUSE Linux Enterprise Server 12 wicked versions prior to 0.6.60-3.5.1. SUSE Linux Enterprise Server 15 wicked versions prior to 0.6.60-3.21.1. openSUSE Leap 15.1 wicked versions prior to 0.6.60-lp151.2.6.1. openSUSE Factory wicked versions prior to 0.6.62.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Leap · openSUSEdrupal

95%

wicked ≤ v < 0.6.60-lp151.2.6.115.1 wicked

Affected range stops below 0.6.60-lp151.2.6.1, so it looks safe — our inference, not a vendor statement

Linux Enterprise Server · SUSE

95%

wicked ≤ v < 0.6.60-3.21.1wicked ≤ v < 0.6.60-3.5.112 15 wicked

Affected range stops below 0.6.60-3.21.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 0.6.60-3.5.1, so it looks safe — our inference, not a vendor statement

Factory · openSUSE

60%

wicked ≤ v < 0.6.62wicked

Affected range stops below 0.6.62, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://bugzilla.suse.com/show_bug.cgi?id=1160903

References (1)

x_refsource_CONFIRMIssue TrackingVendor Advisory

Source: [email protected]

https://bugzilla.suse.com/show_bug.cgi?id=1160903

CVSS

9.8CRITICAL[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-416

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card